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Recent studies suggest that water fluoridation, particularly in industrialized nations, may be unnecessary because topical fluorides (such as in toothpaste) are widely used, and caries rates have become low.

The views on the most efficient method for community prevention of tooth decay are mixed.

If there was a health effect from fluoride, we would see a difference between the fluoridated and non-fluoridated areas in New Zealand. There is no evidence of difference in health effect between fluoridated and non-fluoridated areas in New Zealand. The discovery that the addition of fluoride to water at low concentrations in regions where natural concentration of fluoride are low was one of the great public health discoveries of the twentieth century.

Dr Jonathan Broadbent – Senior Lecturer Preventative Dentistry University of Otago Water fluoridation is a critical part of the mix. It’s still very effective, it’s still very important, particularly for vulnerable members of our community. Although oral health has really improved for New Zealanders over the last number of decades, dental decay is still the most common chronic disease for New Zealanders.

Water fluoridation is the controlled addition of fluoride to a public water supply to reduce tooth decay.

Fluoridated water has fluoride at a level that is effective for preventing cavities; this can occur naturally or by adding fluoride.

the cost effectiveness of fluoridating water supplies in new zealand-84the cost effectiveness of fluoridating water supplies in new zealand-58the cost effectiveness of fluoridating water supplies in new zealand-9

"The panel concluded that the concerns raised by those opposed to fluoridation are not supported by the scientific evidence," he said.

Sir Peter Gluckman – The Prime Minister’s Science Advisor It's absolutely clear that the levels of fluoride that are put into New Zealand's water supply and are carefully regulated, are safe, they have real health benefits and there are no health risks.

Dr Don Mackie – Former Chief Medical Officer, Ministry of Health Many of the studies have raised concerns about fluoridation come from overseas countries.

The Australian government states that water fluoridation is the most effective way to achieve fluoride exposure that is community-wide.

As of 2012, 25 countries have artificial water fluoridation to varying degrees, 11 of them have more than 50% of their population drinking fluoridated water.




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